Free Science Books for Kids
We’re passionate about ensuring literacy is accessible to every child, which is why these books are completely free. Our science books spark curiosity about the world through experiments and discoveries for young readers ages 5-9, featuring scientific concepts, inventions, and the excitement of exploration.
Magnet Magic!
Rin discovers a mysterious black block in her brother’s desk drawer that makes objects stick to it! She tests it on everything around her—pens, staplers, rulers, and even the family cat. What is this magical object, and why does it only work on some things? Join Rin on her exciting journey of discovery!
Not the Same
Both of these animals are bugs, but they are not the same kind of insect. They both use their main legs for crawling along branches while they use their other legs to grab at things that they want to eat. The two bug pals are quite short.
Animal Friends
Did you know that animals do amazing things to help us every day? From clever birds that build incredible nests to tiny worms that help our gardens grow, discover the incredible friendships between humans and animals. What special talents might your favorite animal have?
If Dinos Did Not Die...
What if dinosaurs never went extinct? Imagine dinos living alongside us today! Would they be our pets, our neighbors, or something completely wild? Explore this fun “what if” adventure and discover how different—and hilarious—our world would be if these amazing creatures still roamed the Earth!
Roar Roar Dinosaurs
Discover the amazing world of dinosaurs through fossils and scientific clues! Did you know that some dinosaurs hunted together in packs, and that T-rex had tiny arms that were actually super useful? Learn how scientists figure out what dinosaurs ate, how they moved, and even what color their skin might have been. Roar into this thrilling journey to uncover dinosaur secrets!
The Internet
The internet is a web that helps us to connect with each other. It is important to use the internet in safe and responsible ways so that we are using it to make our lives better.
A Special Flower
Meet a white oak flower who feels different from all the other beautiful blossoms in spring. Every night, the flower wonders why it doesn’t look like the colorful flowers around it. What if this special flower discovered something amazing about itself that no other flower can do? Join this journey of self-discovery and wonder.
Curly or Not
Discover the fascinating world of curly and straight! From bouncy hair and coiled tails to winding staircases and delicious spiral snacks, this book explores all the different shapes and curves we see every day. What curly or straight things can you find around you?
If You Lived...
You would need to adapt to your environment if you want to live on the moon, as a bird, as a goat, as a butterfly, as a mole, as a fish, in the cold, or in this forest.
Is This the Sea?
Have you ever wondered where rain comes from and where it goes? Follow tiny water drops on their amazing adventure as they fall from the clouds, roll down hills, splash into puddles, and rush through rivers. But their journey doesn’t end there! Where are all these raindrops racing to, and what magical transformation awaits them? Discover the incredible voyage that water takes all around our world!
Frequently Asked Questions
How does reading science books support early literacy development?
Science books give children a meaningful purpose for decoding, which increases engagement and practice time. Snow, Burns, and Griffin (1998) found that connecting reading practice to content knowledge is a key factor in successful literacy development. On Bookbot, every free science book is a decodable reader aligned to a phonics scope and sequence, so children systematically build decoding skills while learning about animals, weather, the human body, and more.
What formats are available for Bookbot's free science books?
All science titles on Bookbot are free to read on the website, and many also include features such as read-aloud narration or downloadable PDFs. Takacs and Bus (2020) found that multimedia story features such as narration and highlighting enhance early literacy learning, making these free digital options especially valuable for young science readers.
Why do science-themed stories motivate children to read more?
Children are naturally curious about how the world works, and science stories tap directly into that curiosity. When children are genuinely interested in a topic, they read more frequently and persist through challenging words. Stanovich (1986) demonstrated that this increased volume of reading has a compounding positive effect on vocabulary and comprehension. Bookbot’s free science picture books channel that curiosity into structured phonics practice, and parents can explore more ways to boost reading motivation on the Bookbot blog.
Can I read Bookbot's science books aloud with my child?
Yes, and shared reading aloud is one of the most effective ways to support a young reader. Manu et al. (2019) found that parent-child reading interactions are strongly linked to improved language and literacy outcomes. Many books on the Bookbot website offer a read-aloud mode with word-by-word highlighting so parents and children can follow along together, discuss scientific concepts, and build both comprehension and decoding skills at the same time.